/*
 * libjingle
 * Copyright 2014, Google Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "RTCSessionDescription+JSON.h"

static NSString const *kRTCSessionDescriptionTypeKey = @"type";
static NSString const *kRTCSessionDescriptionSdpKey = @"sdp";

@implementation RTCSessionDescription (JSON)

+ (RTCSessionDescription *)descriptionFromJSONDictionary:
    (NSDictionary *)dictionary {
  NSString *type = dictionary[kRTCSessionDescriptionTypeKey];
  NSString *sdp = dictionary[kRTCSessionDescriptionSdpKey];
  return [[RTCSessionDescription alloc] initWithType:type sdp:sdp];
}

- (NSData *)JSONData {
  NSDictionary *json = @{
    kRTCSessionDescriptionTypeKey : self.type,
    kRTCSessionDescriptionSdpKey : self.description
  };
  return [NSJSONSerialization dataWithJSONObject:json options:0 error:nil];
}

@end
